both russia and canada say is theirs. a large part that has been under discussion. >> global climate change is transforming the arctic. the polar ice caps shrinking as temperatures rise. already, energy companies are moving in, sensing a massive opportunity as the area opens up for commercial exploitation. it is thought the arctic region may contain vast reserves of oil and gas. that is leading to the growing competition between the countries which surround it. today, the foreign ministers of russia and canada discussed their competing claims to take control of a large part of the arctic, including the north pole. their claims will eventually be judged by international experts. >> both russia and canada respect the united nations as well as the united nations convention on the law of the seas, and we will submit our data, and we are confident that our case will prevail, backed by scientific evidence. >> but the russians are already concerned that nato military forces could be sent to the arctic to protect western interest